Home / 39,804.74-59,708.04-13,142.12

Finding the Fourth Proportional to 39,804.74, 59,708.04 and 13,142.12

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Solution

The fourth proportional to 39,804.74, 59,708.04 and 13,142.12 is: 19,713.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,804.74 : 59,708.04 = 13,142.12 : x
  2. Step 2: Convert to fraction form
    39,804.74/59,708.04 = 13,142.12/x
  3. Step 3: Cross multiply
    39,804.74x = 59,708.04 × 13,142.12
  4. Step 4: Simplify right side
    39,804.74x = 784,690,226.64
  5. Step 5: Solve for x
    x = 784,690,226.64/39,804.74
  6. Step 6: Final answer
    x = 19,713.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.